msm_fb: disable unsupported footswitch call

Change-Id: I04006e498bb9b9eb17b914a7447bd35629053b07
msm: HTC: 8960: enable KSM and RCU_FAST_NO_HZ

Change-Id: I27b9b167c3f1cb7efb35bc7d67b119bf2f7f2219
power: pm8921: lower log verbosity

Change-Id: I644634c89175ea98aed055b91280eee4d44b70f3
Use hrtimers so that msleep() sleeps for the requested time

Current msleep() snoozes for at least two jiffies, causing msleep(1) to
sleep for at least 20ms on HZ=100 systems.  Using hrtimers allows
msleep() to sleep for something much closer to the requested time.

Change-Id: If06b4fa3f489eed073213c763755ec3b387129e1
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
msm_fb: use hr_msleep when timing DSI commands

Change-Id: I711e8f2343c1a4fcf164c5b8fabba08987eb1728
msm: HTC: headset_one_wire: restore use of hr_msleep

Change-Id: I0b83333e95ad5b76ce7552ae9affb0a2414ae827